PRD120 - PR Radial Contact Ball Bearing

Manufactured by PRS Bearings, the PRD120 is a precision PR Radial Contact Ball Bearing. You may consider it as an interchangeable alternative and replacement for KAYDON KD120CP0, SILVERTHIN SD120CP0. Key dimensional parameters include a 304.8 mm bore diameter, a 330.2 mm outer diameter, and a 12.7 mm overall width. With matching boundary dimensions, this component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Direct InterchangeKAYDON KD120CP0, SILVERTHIN SD120CP0
Overview
Basic ModelPRD120
Weight1.021 kg
Dimensions
Bore Dia (d, mm)304.8 mm
Bore Dia (d, in)12 in
Outer Dia (D, mm)330.2 mm
Outer Dia (D, in)13 in
Width (B, mm)12.7 mm
Width (B, in)0.5 in
Load Ratings
Dynamic Load (Cr)14,003 kN
Static Load (Cor)38,032 kN
Performance
Limit Speed (rpm)1,600 rpm
CAD Drawing and Dimensions for PRD120 PR Radial Contact Ball Bearing 12.7 mm 330.2 mm 304.8 mm PRD120

Frequently Asked Questions about PRD120 PR Radial Contact Ball Bearing

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

Depending on your thermal and fit requirements, PRS Bearings supplies the PRD120 in C0 (Normal), C2 (Tight), or C3 (Loose) internal radial clearances. Proper clearance selection by PRS Bearings specialists helps prevent premature bearing seizure.
Every PRD120 batch undergoes 100% automated vibration and noise testing at the PRS Bearings factory. We guarantee compliance with Z1/V1 standards, with premium Z3/V3 options available for high-end electric motors.
Yes, while the standard PRS Bearings PRD120 meets ISO P0 (ABEC-1) levels, PRS Bearings also manufactures high-precision variants in P6 (ABEC-3) and P5 (ABEC-5) for applications requiring minimal runout and extreme rotational accuracy.
Absolutely. The PRS Bearings PRD120 is a drop-in replacement for international models like KAYDON KD120CP0, SILVERTHIN SD120CP0. It follows universal ISO dimensions, making it easy to upgrade your supply chain to PRS Bearings's high-quality standards.